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    Question

    What will come in place of the question mark (?) in the

    following series? ?, 162, 54, 18, 9, 3
    A 410 Correct Answer Incorrect Answer
    B 326 Correct Answer Incorrect Answer
    C 486 Correct Answer Incorrect Answer
    D 341 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    ATQ,

    Work backwards:

    3 × 3 = 9

    9 × 2 = 18

    18 × 3 = 54

    54 × 3 = 162

    162 × 3 = 486

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